Disparities in who is asked about their perinatal mental health: an analysis of cross-sectional data from consecutive national maternity surveys

Table 1 Characteristics of respondents by year

	All births in England in 2020	2014 survey N = 4571		2018 survey N = 4509		2020 survey N = 4611
	%	n	%	n	%	n	%
Age	^
16–19 years	2.6	101	2.2	59	1.3	44	1.0
20–24 years	13.0	538	11.8	359	8.0	355	7.7
25–29 years	26.8	1228	26.9	1055	23.4	1117	24.2
30–34 years	33.5	1587	34.7	1713	38.0	1785	38.7
35–39 years	19.3	874	19.1	1054	23.4	1089	23.6
40 + years	4.8	241	5.3	269	6.0	221	4.8
Missing	0.0	2	0.0	0	0.0	0	0.0
Ethnicity ^a
White	72.4	3710	83.9	3779	86.7	3911	86.0
Mixed	7.0	87	2.0	101	2.3	104	2.3
Asian	13.0	442	10.0	308	7.1	380	8.4
Black	5.2	159	3.6	102	2.3	126	2.8
Other	2.4	23	0.5	67	1.5	27	0.6
Missing	2.4	150	3.3	152	3.4	63	1.4
IMD
1 (least advantaged)	25.6	893	19.6	706	15.7	698	15.1
2	22.4	977	21.4	869	19.3	876	19.0
3	19.5	934	20.5	945	21.0	957	20.8
4	17.3	865	18.9	1006	22.3	1070	23.2
5 (most advantaged)	15.3	899	19.7	983	21.8	1010	21.9
Missing	0.0	3	0.1	0	0.0	0	0.0
Education
< 17 years	NA	756	16.9	493	11.1	514	11.3
17–18 years	NA	1209	27.0	1045	23.4	1226	26.9
19 + years	NA	2509	56.0	2922	65.5	2823	61.9
Missing		97	2.1	49	1.1	48	1.0
Relationship Status
Lives with partner	84.6	3980	87.1	4045	89.7	4144	89.9
Does not live with partner	15.4	591	12.9	464	10.3	467	10.1
Missing	0.0	0	0.0	0	0.0	0	0.0
Parity	^
Primiparous	44.2	2206	49.9	2331	52.8	2174	48.2
Multiparious	55.8	2217	50.1	2088	47.3	2333	51.8
Missing	0.0	148	3.2	90	2.0	104	2.3

Proportions are presented as the % of non-missing
^Data for England and Wales combined
⁺Based on registration status (yes = registered in married names or joint names, same address) for population-level data
^aEthnicity relates to baby for population-level data and to mother for survey data

ISSN: 1471-2393